Home / 140,803,684.04-194,318,063.70-78,924,038.60

Finding the Fourth Proportional to 140,803,684.04, 194,318,063.70 and 78,924,038.60

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Solution

The fourth proportional to 140,803,684.04, 194,318,063.70 and 78,924,038.60 is: 108,920,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,803,684.04 : 194,318,063.70 = 78,924,038.60 : x
  2. Step 2: Convert to fraction form
    140,803,684.04/194,318,063.70 = 78,924,038.60/x
  3. Step 3: Cross multiply
    140,803,684.04x = 194,318,063.70 × 78,924,038.60
  4. Step 4: Simplify right side
    140,803,684.04x = 15,336,366,360,136,056
  5. Step 5: Solve for x
    x = 15,336,366,360,136,056/140,803,684.04
  6. Step 6: Final answer
    x = 108,920,206.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.